/*
 * Copyright 2017 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.servicecomb.serviceregistry.client.http;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import io.servicecomb.serviceregistry.config.ServiceRegistryConfig;

import io.vertx.core.http.HttpClientOptions;
import io.vertx.core.http.HttpVersion;

/**
 * Created by on 2017/4/28.
 */
public final class WebsocketClientPool extends AbstractClientPool {

    private static final Logger LOGGER = LoggerFactory.getLogger(WebsocketClientPool.class);

    public static final WebsocketClientPool INSTANCE = new WebsocketClientPool();

    private WebsocketClientPool() {
    }

    @Override
    public HttpClientOptions createHttpClientOptions() {
        HttpVersion ver = ServiceRegistryConfig.INSTANCE.getHttpVersion();
        HttpClientOptions httpClientOptions = new HttpClientOptions();
        httpClientOptions.setProtocolVersion(ver);
        httpClientOptions.setConnectTimeout(ServiceRegistryConfig.INSTANCE.getConnectionTimeout());
        // 不能设置IDLE后，会自动断开ws连接
        // httpClientOptions.setIdleTimeout(ServiceRegistryConfig.INSTANCE.getIdleConnectionTimeout());
        if (ver == HttpVersion.HTTP_2) {
            LOGGER.debug("service center ws client protocol version is HTTP/2");
            httpClientOptions.setHttp2ClearTextUpgrade(false);
        }
        if (ServiceRegistryConfig.INSTANCE.isSsl()) {
            LOGGER.debug("service center ws client performs requests over TLS");
            buildSecureClientOptions(httpClientOptions);
        }
        return httpClientOptions;
    }
}
